What does '&' do in a C++ declaration? - Stack Overflow
I am a C guy and I'm trying to understand some C++ code. I have the following function declaration:
How does the % operator (modulo, remainder) work?
Let's say that I need to format the output of an array to display a fixed number of elements per line. How do I go about doing that using modulo operation? Using C++, the code below works for displ...
c++ - Difference between | and || , or & and && - Stack Overflow
Dec 28, 2015 · Closed 10 years ago. These are two simple samples in C++ written on Dev-cpp C++ 5.4.2:
C++ code file extension? What is the difference between .cc and .cpp
95 .cpp is the recommended extension for C++ as far as I know. Some people even recommend using .hpp for C++ headers, just to differentiate from C. Although the compiler doesn't care what you do, …
What is the <=> ("spaceship", three-way comparison) operator in C++?
Nov 24, 2017 · This is called the three-way comparison operator. According to the P0515 paper proposal: There’s a new three-way comparison operator, <=>. The expression a <=> b returns an …
Why use #ifndef CLASS_H and #define CLASS_H in .h file but not in .cpp?
Jan 24, 2016 · Main.cpp will know the names and signatures of the class that you have implemented in class.cpp only because you have specified all that in class.h - this is the purpose of a header file.
How can I call functions from one .cpp file in another .cpp file?
How can I call functions from one .cpp file in another .cpp file? Asked 7 years, 6 months ago Modified 3 years, 6 months ago Viewed 93k times
Storing C++ template function definitions in a .CPP file
I have some template code that I would prefer to have stored in a CPP file instead of inline in the header. I know this can be done as long as you know which template types will be used. For exam...
.c vs .cc vs. .cpp vs .hpp vs .h vs .cxx - Stack Overflow
Possible Duplicates: *.h or *.hpp for your class definitions What is the difference between .cc and .cpp file suffix? I used to think that it used to be that: .h files are header files for C and C...
Why are #ifndef and #define used in C++ header files?
I have been seeing code like this usually in the start of header files: #ifndef HEADERFILE_H #define HEADERFILE_H And at the end of the file is #endif What is the purpose of this?